Finding the Fourth Proportional to 629,443.56, 944,398.50 and 292,665

Step by Step Solution

1. Step 1: Write the proportion equation
   629,443.56 : 944,398.50 = 292,665 : x
2. Step 2: Convert to fraction form
   629,443.56/944,398.50 = 292,665/x
3. Step 3: Cross multiply
   629,443.56x = 944,398.50 × 292,665
4. Step 4: Simplify right side
   629,443.56x = 276,392,387,002.50
5. Step 5: Solve for x
   x = 276,392,387,002.50/629,443.56
6. Step 6: Final answer
   x = 439,105.91